diff --git a/litellm/llms/bedrock/chat/converse_transformation.py b/litellm/llms/bedrock/chat/converse_transformation.py
index 410a92abb4a..76da11dd337 100644
--- a/litellm/llms/bedrock/chat/converse_transformation.py
+++ b/litellm/llms/bedrock/chat/converse_transformation.py
@@ -527,9 +527,9 @@ class AmazonConverseConfig(BaseConfig):
         ## Filter out 'cross-region' from model name
         base_model = BedrockModelInfo.get_base_model(model)
 
-        is_anthropic_model = base_model.startswith("anthropic") or base_model.startswith(
-            "claude-"
-        )
+        is_anthropic_model = base_model.startswith(
+            "anthropic"
+        ) or base_model.startswith("claude-")
 
         if (
             is_anthropic_model
@@ -1832,7 +1832,11 @@ class AmazonConverseConfig(BaseConfig):
         if tool_call_match is None:
             return None, {}
 
-        tool_call = self._parse_tool_call_json_arguments(tool_call_match.group(1).strip())
+        tool_call = self._parse_tool_call_json_arguments(
+            tool_call_match.group(1).strip()
+        )
+        if tool_call is None:
+            return None, {}
         tool_name = tool_call.get("name")
         arguments = tool_call.get("arguments", {})
         if not isinstance(tool_name, str):
@@ -1883,9 +1887,12 @@ class AmazonConverseConfig(BaseConfig):
             r"<input>(.*?)</input>", body, re.DOTALL | re.IGNORECASE
         )
         if tool_name_match is not None:
-            return tool_name_match.group(1).strip(), self._parse_tool_call_json_arguments(
+            arguments = self._parse_tool_call_json_arguments(
                 input_match.group(1).strip() if input_match is not None else ""
             )
+            if arguments is None:
+                return None, {}
+            return tool_name_match.group(1).strip(), arguments
 
         return self._parse_bare_text_tool_call(body)
 
@@ -1898,20 +1905,22 @@ class AmazonConverseConfig(BaseConfig):
 
         tool_name = lines[0]
         arguments = self._parse_tool_call_json_arguments("\n".join(lines[1:]))
-        if arguments == {}:
+        if arguments is None:
             return None, {}
 
         return tool_name, arguments
 
-    def _parse_tool_call_json_arguments(self, json_text: str) -> dict[str, Any]:
+    def _parse_tool_call_json_arguments(
+        self, json_text: str
+    ) -> Optional[dict[str, Any]]:
         if not json_text:
             return {}
         try:
             parsed_arguments = json.loads(json_text)
         except Exception:
-            return {}
+            return None
         if not isinstance(parsed_arguments, dict):
-            return {}
+            return None
         return parsed_arguments
 
     def _text_content_tool_call_transformation(
diff --git a/tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py b/tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py
index e355b171765..609e49bcbd8 100644
--- a/tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py
+++ b/tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py
@@ -257,8 +257,10 @@ def test_apply_tool_call_transformation_parses_function_parameter_text():
         ),
     )
 
-    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
-        message, _read_file_tool(), initial_finish_reason="stop"
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message, _read_file_tool(), initial_finish_reason="stop"
+        )
     )
 
     _assert_read_file_tool_call(transformed_message, finish_reason)
@@ -279,8 +281,10 @@ def test_apply_tool_call_transformation_parses_tool_use_xml_text():
         ),
     )
 
-    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
-        message, _read_file_tool(), initial_finish_reason="stop"
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message, _read_file_tool(), initial_finish_reason="stop"
+        )
     )
 
     _assert_read_file_tool_call(transformed_message, finish_reason)
@@ -298,13 +302,34 @@ def test_apply_tool_call_transformation_parses_bare_tool_name_json_text():
         ),
     )
 
-    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
-        message, _read_file_tool(), initial_finish_reason="stop"
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message, _read_file_tool(), initial_finish_reason="stop"
+        )
     )
 
     _assert_read_file_tool_call(transformed_message, finish_reason)
 
 
+def test_apply_tool_call_transformation_parses_bare_zero_arg_tool_call():
+    from litellm.types.utils import Message
+
+    config = AmazonConverseConfig()
+    message = Message(role="assistant", content="\nread_file\n{}")
+
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message, _read_file_tool(), initial_finish_reason="stop"
+        )
+    )
+
+    assert finish_reason == "tool_calls"
+    assert transformed_message.content is None
+    assert transformed_message.tool_calls is not None
+    assert transformed_message.tool_calls[0].function.name == "read_file"
+    assert json.loads(transformed_message.tool_calls[0].function.arguments) == {}
+
+
 def test_apply_tool_call_transformation_parses_tool_call_json_tag_text():
     from litellm.types.utils import Message
 
@@ -318,8 +343,10 @@ def test_apply_tool_call_transformation_parses_tool_call_json_tag_text():
         ),
     )
 
-    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
-        message, _read_file_tool(), initial_finish_reason="stop"
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message, _read_file_tool(), initial_finish_reason="stop"
+        )
     )
 
     _assert_read_file_tool_call(transformed_message, finish_reason)
@@ -332,15 +359,17 @@ def test_apply_tool_call_transformation_ignores_text_for_unknown_tool_name():
     original_content = "\nread_file\n{}"
     message = Message(role="assistant", content=original_content)
 
-    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
-        message,
-        [
-            {
-                "type": "function",
-                "function": {"name": "write_file", "parameters": {}},
-            }
-        ],
-        initial_finish_reason="stop",
+    transformed_message, finish_reason = (
+        config.apply_tool_call_transformation_if_needed(
+            message,
+            [
+                {
+                    "type": "function",
+                    "function": {"name": "write_file", "parameters": {}},
+                }
+            ],
+            initial_finish_reason="stop",
+        )
     )
 
     assert finish_reason == "stop"